Raymarine GPM400 Reference Manual page 98

MODE 1
The A-scope
image is centred
in the window.
To display the A-Scope image
1. Select A-Scope on the SELECT OPTION softkey.
2. Choose your mode on the A-SCOPE MODE softkey.
G-Series Reference Manual
MODE 3
The A-scope
MODE 2
image angles
The left-hand side
outward as
of the Mode 1
signal width
image is expanded
increases with
to give a more
detailed view. depth.
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